Home / 70,827.26-97,712.33-42,141.18

Finding the Fourth Proportional to 70,827.26, 97,712.33 and 42,141.18

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Solution

The fourth proportional to 70,827.26, 97,712.33 and 42,141.18 is: 58,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,827.26 : 97,712.33 = 42,141.18 : x
  2. Step 2: Convert to fraction form
    70,827.26/97,712.33 = 42,141.18/x
  3. Step 3: Cross multiply
    70,827.26x = 97,712.33 × 42,141.18
  4. Step 4: Simplify right side
    70,827.26x = 4,117,712,676.04
  5. Step 5: Solve for x
    x = 4,117,712,676.04/70,827.26
  6. Step 6: Final answer
    x = 58,137.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.